Substrate ea Electrode Sapphire le Li-substrate tsa LED tsa Wafer C-plane
Tlhaloso
| KAKARETSO | ||
| Foromo ea Lik'hemik'hale | Al2O3 | |
| Sebopeho sa kristale | Sistimi ea Hexagonal (hk o 1) | |
| Tekanyo ea Sele ea Yuniti | a=4.758 Å,Å c=12.991 Å, c:a=2.730 | |
| EA 'MELE | ||
| Metric | Senyesemane (sa Borena) | |
| Botenya | 3.98 g/cc | 0.144 lb/in3 |
| Bothata | 1525 - 2000 Knoop, 9 mhos | 3700° F |
| Sebaka sa ho Qhibiliha | 2310 K (2040° C) | |
| SEBOPEHO | ||
| Matla a tšepe | 275 MPa ho isa ho 400 MPa | 40,000 ho isa ho 58,000 psi |
| Matla a ho Thatafala ho 20° C | 58,000 psi (bonyane ba moralo) | |
| Matla a ho Thatafala ho 500° C | 40,000 psi (bonyane ba moralo) | |
| Matla a ho Tenyetseha ho 1000° C | 355 MPa | 52,000 psi (bonyane ba moralo) |
| Matla a ho Flexural | 480 MPa ho isa ho 895 MPa | 70,000 ho isa ho 130,000 psi |
| Matla a Khatello | 2.0 GPa (e phahameng ka ho fetisisa) | 300,000 psi (ea ho qetela) |
Sapphire e le substrate ea potoloho ea semiconductor
Li-wafer tse tšesaane tsa safire e bile tšebeliso ea pele e atlehileng ea substrate e thibelang mocheso eo silicon e neng e kentsoe ho eona ho etsa lipotoloho tse kopantsoeng tse bitsoang silicon holim'a safire (SOS). Ntle le thepa ea eona e ntle ea ho thibela motlakase, safire e na le conductivity e phahameng ea mocheso. Li-chips tsa CMOS holim'a safire li loketse haholo lits'ebetsong tsa maqhubu a radio a matla a phahameng (RF) joalo ka lifono tsa mohala, li-radio tsa polokeho ea sechaba le litsamaiso tsa puisano tsa sathelaete.
Li-wafer tsa safire tse le 'ngoe tsa kristale li boetse li sebelisoa e le li-substrate indastering ea semiconductor bakeng sa ho holisa lisebelisoa tse thehiloeng ho gallium nitride (GaN). Tšebeliso ea safire e fokotsa litšenyehelo haholo kaha e batla e le 1/7th ea litšenyehelo tsa germanium. GaN holim'a safire e sebelisoa hangata ho li-diode tse ntšang leseli le leputsoa (li-LED).
Sebelisa e le thepa ea fensetere
Sapphire ea maiketsetso (ka linako tse ling e bitsoa khalase ea safire) hangata e sebelisoa e le thepa ea fensetere hobane e bonaletsa haholo pakeng tsa maqhubu a khanya a 150 nm (ultraviolet) le 5500 nm (infrared) (sebopeho se bonahalang se tloha ho hoo e ka bang 380 nm ho isa ho 750 nm) 'me e na le khanyetso e phahameng haholo khahlanong le ho ngoapa. Melemo ea bohlokoa ea lifensetere tsa safire
Kenyeletsa
Bongata bo boholo ba phetiso ea optical, ho tloha ho UV ho ea ho leseli le haufi le infrared
E matla ho feta thepa e 'ngoe ea optical kapa lifensetere tsa khalase
E hanela ho ngoapa le ho hohlana haholo (bothata ba diminerale ba 9 sekaleng sa Mohs, e latela taemane le moissanite hara dintho tsa tlhaho feela)
Sebaka se phahameng haholo sa ho qhibiliha (2030°C)
Setšoantšo se qaqileng
